function getCookie(index)
{
        var search = index + "=";
        if (document.cookie.length > 0)
        {
                var offset = document.cookie.indexOf(search);
                if (offset != -1)
                {
                        offset += search.length;
                        end = document.cookie.indexOf(";", offset)
                        if (end == -1)
                                end = document.cookie.length;
                        return unescape(document.cookie.substring(offset, end));
                }
                else
                        return "";
        }
        else
                return "";
}